/**
 * Copyright (c) 2011 James Wendel
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package nlworks.wowapi.params;

import java.util.HashSet;

import com.google.common.base.Joiner;

public class RealmStatusParams {

	private HashSet<String> realms;

	public RealmStatusParams() {
	}

	public void addRealm(String realmName) {
		if (realms == null)
			realms = new HashSet<String>();
		realms.add(realmName);
	}
	
	public StringBuilder toString(StringBuilder sb, String baseQuery) {
		sb.append("/api/wow/realm/status").append(baseQuery);
		if (realms != null && realms.size() > 0) {
			sb.append("&realms=");
			Joiner.on(',').skipNulls().appendTo(sb, realms);
		}
		
		return sb;
	}
}
